Mexican Empire established:
- Agustín de Iturbide is proclaimed Emperor of Mexico, formally establishing the First Mexican Empire.
French dramatist dies:
- French playwright and poet Alexandre Duval passes away at age 61.
Greek statesman appointed:
- Andreas Zaimis is appointed as the first Governor of Greece.
British military action:
- The British parliament approves the use of military force against the Asante Kingdom in West Africa.
Diplomatic relations established:
- The Ottoman Empire and the United Kingdom establish diplomatic relations.
British parliament action:
- The British parliament passes the Alien Act, enabling the government to expel foreigners if deemed necessary.
Spanish Royal Order issued:
- The Royal Order of San Fernando is established by King Ferdinand VII of Spain, honoring military personnel for bravery.
Birthdays of notable figures:
- British explorer David Livingstone, known for his travels in Africa, is born.
- German scientist Hermann von Fehling, known for his work in analytical chemistry, is born.